Answer:b
Explanation:
A beam is subjected to an upward load in the middle and supported in both ends. The upper fibers i.e. a topmost layer of the beam is in tension while bottom fiber i.e. fiber of bottom layer is in compression because they are under compressive force.
Fibers above the neutral axis are in tension and fibers below the neutral axis are in compression.
So option b is correct
Answer:
Take a screenshot of it and when you go to question you will see a paperclip looking thing
Explanation:
Answer:
the data are inadequate
Explanation:
<u>If there are 15 people on the team, and only five have been asked about the mascot, </u><u>this means the data collecting is wrong, and the result doesn’t include thoughts of the majority</u>. If Diana and Kinsey want to have adequate data,<u> they should ask as many as possible, if not all players in the team</u>. This would truly show what the majority wants meaning it will show what the team wants. This kind of complete data correcting is the correct one.
Answer:
Power required to drive the escalator shall be equal to the rate at which the energies of the persons is increased.

As we infer from the above equation If the velocity of the escalator is doubled then the Power required will also be doubled and become 31.215kW